Answer :
Simple...
you have: 3.637
Now, as you know, when counting decimal places it's--->>
tenths, hundredths, thousandths, ten thousandths, hundreds thousandths...etc
As we see your decimal goes out into the thousandths so re-write the decimal-->>
[tex]3 \frac{637}{1000} [/tex]
Thus, your answer.
you have: 3.637
Now, as you know, when counting decimal places it's--->>
tenths, hundredths, thousandths, ten thousandths, hundreds thousandths...etc
As we see your decimal goes out into the thousandths so re-write the decimal-->>
[tex]3 \frac{637}{1000} [/tex]
Thus, your answer.